Home / 35,350.06-48,780.17-20,811.93

Finding the Fourth Proportional to 35,350.06, 48,780.17 and 20,811.93

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Solution

The fourth proportional to 35,350.06, 48,780.17 and 20,811.93 is: 28,718.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,350.06 : 48,780.17 = 20,811.93 : x
  2. Step 2: Convert to fraction form
    35,350.06/48,780.17 = 20,811.93/x
  3. Step 3: Cross multiply
    35,350.06x = 48,780.17 × 20,811.93
  4. Step 4: Simplify right side
    35,350.06x = 1,015,209,483.43
  5. Step 5: Solve for x
    x = 1,015,209,483.43/35,350.06
  6. Step 6: Final answer
    x = 28,718.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.